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The harvest has been progressing at a good pace so far this fall, and wheat planting will soon begin. We would remind producers to check herbicide labels for rotational intervals before planting wheat. Several herbicide labels have lengthy rotational intervals that will preclude planting wheat this fall. The following rotational intervals were reproduced from Tables 1 and 2 of the 2001 Illinois Pest Management Handbook. Corn herbicide rotational intervals: Anytime--Stinger 2 months--Permit 3 months--Beacon, Pursuit, NorthStar, Spirit 4 months--Degree, Harness, DoublePlay, TopNotch, Hornet, Python, Lightning, Pursuit Plus, Accent, Accent Gold, Basis, Celebrity Plus 6 months--Balance Pro 10 months--Marksman, Basis Gold 12 months--Epic, Axiom 15 months--Degree Xtra, Harness Xtra, FulTime, Laddok S-12 Next year--AAtrex, atrazine, Bicep II Magnum, Bicep Lite II Magnum, Buctril + atrazine, Bullet, Guardsman, LeadOff, Liberty ATZ, Princep, ReadyMaster ATZ 2 years--Axiom AT Soybean herbicide rotational intervals: 3 months--Classic, Synchrony STS, FirstRate, Scepterb (Region 2), Extreme, Pursuit, Raptor 4 months--Canopya, Python, Backdraft (Region 2), Squadronb (Region 2), Steel (Region 2), Pursuit Plus, Sencor, Authority, Canopy XLa, Flexstar 4.5 months--Boundary 12 months--Axiom, Domain, Command 18 months--Backdraft (Region 3), Scepter (Region 3) aMidwest states' rate, soil pH <6.8. bRotational interval increases to 15 months with sequential (soil followed by postemergence) imazaquin applications. --Aaron Hager and Christy Sprague
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